/* ========================================
   广东理工学院创新创业学院 - 样式表 V2
   明亮风格版
   ======================================== */

/* CSS变量定义 */
:root {
  /* 主色调 - 明亮风格 */
  --primary: #2563eb;
  --primary-light: #3b82f6;
  --primary-dark: #1d4ed8;
  
  /* 辅助色 - 活力橙 */
  --accent: #f97316;
  --accent-light: #fb923c;
  --accent-dark: #ea580c;
  
  /* 成功绿 */
  --success: #10b981;
  --success-light: #34d399;
  
  /* 背景色 - 明亮 */
  --bg-white: #ffffff;
  --bg-light: #f0f9ff;
  --bg-gray: #f8fafc;
  --bg-gradient: linear-gradient(135deg, #e0f2fe 0%, #fdf4ff 100%);
  
  /* 文字色 */
  --text-dark: #0f172a;
  --text-body: #334155;
  --text-light: #64748b;
  --text-white: #ffffff;
  
  /* 边框色 */
  --border-light: #e2e8f0;
  --border-color: #cbd5e1;
  
  /* 阴影 */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  
  /* 渐变 */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-accent: linear-gradient(135deg, #f97316 0%, #f59e0b 100%);
  --gradient-hero: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f97316 100%);
  
  /* 间距 */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* 圆角 */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* 过渡 */
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* 容器宽度 */
  --container-max: 1200px;
}

/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background-color: var(--bg-light);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

ul, ol {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
 
}

/* ========================================
   布局容器
   ======================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* ========================================
   头部样式 - 明亮版
   ======================================== */
.header {
  background: var(--bg-white);
  color: var(--text-white);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.header-top {
  background: var(--gradient-primary);
  padding: var(--spacing-sm) 0;
  font-size: 0.875rem;
}

.header-top .container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--spacing-lg);
}

.school-link {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 500;
  backdrop-filter: blur(10px);
}

.school-link:hover {
  background: rgba(255, 255, 255, 0.35);
  transform: translateY(-1px);
}

.header-main {
  padding: var(--spacing-md) 0;
  background: var(--bg-white);
}

.header-main .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  height: 50px;
  width: auto;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  display: flex;
  align-items: center;
}

.logo-icon img {
  height: 100%;
  width: auto;
  max-width: none;
}

.logo-text h1 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
}

.logo-text p {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* 导航菜单 */
.nav-menu {
  display: flex;
  gap: var(--spacing-xs);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-body);
  font-size: 0.9375rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  background: var(--bg-light);
  color: var(--primary);
}

.nav-link i {
  font-size: 0.625rem;
  transition: var(--transition);
}

/* 下拉菜单 */
.dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition);
  z-index: 100;
  border: 1px solid var(--border-light);
}

.nav-item:hover .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(5px);
}

.dropdown a {
  display: block;
  padding: var(--spacing-sm) var(--spacing-lg);
  color: var(--text-body);
  font-size: 0.875rem;
  border-bottom: 1px solid var(--border-light);
}

.dropdown a:last-child {
  border-bottom: none;
}

.dropdown a:hover {
  background: var(--bg-light);
  color: var(--primary);
  padding-left: calc(var(--spacing-lg) + 4px);
}

/* 移动端菜单按钮 */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--spacing-sm);
  background: none;
  border: none;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* ========================================
   Banner 轮播 - 明亮活力版
   ======================================== */
.banner-slider {
  position: relative;
  height: 480px;
  overflow: hidden;
  background: var(--bg-gray);
}

.banner-slides {
  display: flex;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.banner-slide {
  min-width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.banner-slide-1 {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f97316 100%);
}

.banner-slide-2 {
  background: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 50%, #ec4899 100%);
}

.banner-slide-3 {
  background: linear-gradient(135deg, #10b981 0%, #06b6d4 50%, #3b82f6 100%);
}

.banner-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.1'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.5;
}

.banner-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: var(--text-white);
  width: 90%;
  max-width: 800px;
  padding: var(--spacing-xl);
}

.banner-content h2 {
  font-size: 2.75rem;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
  text-shadow: 2px 4px 8px rgba(0, 0, 0, 0.3);
  line-height: 1.2;
}

.banner-content p {
  font-size: 1.25rem;
  opacity: 0.95;
  line-height: 1.8;
  text-shadow: 1px 2px 4px rgba(0, 0, 0, 0.2);
}

.banner-btn {
  display: inline-block;
  margin-top: var(--spacing-xl);
  padding: var(--spacing-md) var(--spacing-2xl);
  background: rgba(255, 255, 255, 0.95);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: var(--transition);
}

.banner-btn:hover {
  background: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

/* 轮播指示器 */
.banner-indicators {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-sm);
  z-index: 10;
}

.banner-indicator {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.banner-indicator.active {
  background: white;
  width: 36px;
  border-color: rgba(255, 255, 255, 0.8);
}

.banner-indicator:hover {
  background: rgba(255, 255, 255, 0.8);
}

/* 轮播箭头 */
.banner-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 10;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
  color: var(--primary);
  font-size: 1.25rem;
}

.banner-arrow:hover {
  background: white;
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.banner-arrow.prev {
  left: 20px;
}

.banner-arrow.next {
  right: 20px;
}

/* ========================================
   页面标题区
   ======================================== */
.page-header {
  background: var(--gradient-primary);
  color: var(--text-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
}

.page-header h2 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  position: relative;
}

.page-header p {
  font-size: 1rem;
  opacity: 0.9;
  position: relative;
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  opacity: 0.85;
  position: relative;
}

.breadcrumb a:hover {
  opacity: 1;
  text-decoration: underline;
}

/* ========================================
   主要内容区域
   ======================================== */
.main-content {
  padding: var(--spacing-3xl) 0;
  min-height: 60vh;
  background: var(--bg-light);
}

/* ========================================
   首页特色区块
   ======================================== */
.section {
  padding: var(--spacing-3xl) 0;
}

.section-alt {
  background: var(--bg-white);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
}

.section-title h2 {
  font-size: 2rem;
  color: var(--text-dark);
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  position: relative;
  display: inline-block;
}

.section-title h2::after {
  content: '';
  position: absolute;
  bottom: -12px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-accent);
  border-radius: 2px;
}

.section-title p {
  color: var(--text-light);
  margin-top: var(--spacing-lg);
  font-size: 1.0625rem;
}

/* 新闻通知区 */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-xl);
}

.news-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.news-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.news-image {
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
  color: var(--text-white);
  position: relative;
  overflow: hidden;
}

.news-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(transparent, rgba(0,0,0,0.1));
}

.news-content {
  padding: var(--spacing-lg);
}

.news-date {
  font-size: 0.8125rem;
  color: var(--accent);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.news-date::before {
  content: '';
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
}

.news-content h3 {
  font-size: 1.125rem;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
  line-height: 1.5;
  font-weight: 600;
}

.news-content p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.7;
}

.news-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
}

.news-link:hover {
  color: var(--accent);
  gap: var(--spacing-sm);
}

/* 特色展示区 */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.feature-card {
  background: var(--bg-white);
  padding: var(--spacing-2xl);
  border-radius: var(--radius-lg);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-light);
}

.feature-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-lg);
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--text-white);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.3);
}

.feature-card:hover .feature-icon {
  transform: scale(1.1);
  box-shadow: 0 12px 25px rgba(59, 130, 246, 0.4);
}

.feature-card h3 {
  font-size: 1.25rem;
  color: var(--text-dark);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.feature-card p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.7;
}

/* 数据统计区 */
.stats-section {
  background: var(--gradient-primary);
  color: var(--text-white);
  padding: var(--spacing-3xl) 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.08'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  text-align: center;
  position: relative;
  z-index: 1;
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
  background: linear-gradient(135deg, #fff 0%, #e0f2fe 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 1rem;
  opacity: 0.95;
}

/* 合作伙伴区 */
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-lg);
}

.partner-logo {
  width: 140px;
  height: 70px;
  background: var(--bg-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  color: var(--text-light);
  transition: var(--transition);
  border: 1px solid var(--border-light);
  font-weight: 500;
}

.partner-logo:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-light);
  color: var(--primary);
}

/* ========================================
   内容页样式
   ======================================== */
.content-wrapper {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--spacing-xl);
}

/* 侧边栏 */
.sidebar {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  height: fit-content;
  position: sticky;
  top: 100px;
  border: 1px solid var(--border-light);
}

.sidebar-title {
  background: var(--gradient-primary);
  color: var(--text-white);
  padding: var(--spacing-lg);
  font-size: 1.125rem;
  font-weight: 600;
}

.sidebar-menu {
  padding: var(--spacing-sm) 0;
}

.sidebar-menu a {
  display: flex;
  align-items: center;
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--text-body);
  font-size: 0.9375rem;
  border-left: 3px solid transparent;
  transition: var(--transition);
}

.sidebar-menu a:hover,
.sidebar-menu a.active {
  background: var(--bg-light);
  border-left-color: var(--accent);
  color: var(--primary);
  font-weight: 500;
}

.sidebar-menu a i {
  margin-right: var(--spacing-sm);
  color: var(--accent);
  font-size: 0.75rem;
}

/* 主内容区 */
.main-article {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-light);
}

.article-header {
  border-bottom: 2px solid var(--border-light);
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.article-header h2 {
  font-size: 1.75rem;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.article-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-body);
}

.article-content h3 {
  font-size: 1.25rem;
  color: var(--text-dark);
  margin: var(--spacing-xl) 0 var(--spacing-md);
  padding-left: var(--spacing-md);
  border-left: 4px solid var(--accent);
  font-weight: 600;
}

.article-content p {
  margin-bottom: var(--spacing-md);
  text-align: justify;
}

.article-content ul,
.article-content ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.article-content li {
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-left: var(--spacing-md);
}

.article-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  background: var(--accent);
  border-radius: 50%;
}

.article-content ol {
  counter-reset: list-counter;
}

.article-content ol li {
  counter-increment: list-counter;
}

.article-content ol li::before {
  content: counter(list-counter) ".";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 600;
}

/* 图片展示 */
.article-image {
  margin: var(--spacing-xl) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.article-image img {
  width: 100%;
  height: auto;
}

.article-image .caption {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-gray);
  font-size: 0.875rem;
  color: var(--text-light);
  text-align: center;
}

/* 图片网格 */
.image-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.image-grid .grid-item {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.image-grid .grid-item:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.image-grid img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

/* 列表卡片 */
.card-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.card-item {
  background: var(--bg-light);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: var(--transition);
  border-left: 4px solid var(--primary);
  border: 1px solid var(--border-light);
}

.card-item:hover {
  background: var(--bg-white);
  box-shadow: var(--shadow-lg);
  transform: translateX(5px);
  border-left-color: var(--accent);
}

.card-item h4 {
  font-size: 1.125rem;
  color: var(--primary);
  margin-bottom: var(--spacing-sm);
  font-weight: 600;
}

.card-item p {
  font-size: 0.9375rem;
  color: var(--text-light);
  line-height: 1.6;
}

/* 标签 */
.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  margin-right: var(--spacing-xs);
}

.tag-hot {
  background: #fef2f2;
  color: #dc2626;
}

/* ========================================
   底部样式
   ======================================== */
.footer {
  background: var(--primary-dark);
  color: var(--text-white);
  padding-top: var(--spacing-3xl);
}

.footer-main {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-2xl);
  padding-bottom: var(--spacing-2xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-section h3 {
  font-size: 1.125rem;
  margin-bottom: var(--spacing-lg);
  color: var(--accent-light);
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9375rem;
}

.footer-section a:hover {
  color: var(--accent-light);
}

.footer-contact p {
  margin-bottom: var(--spacing-sm);
  font-size: 0.9375rem;
  opacity: 0.9;
}

.footer-bottom {
  padding: var(--spacing-lg) 0;
  text-align: center;
  font-size: 0.875rem;
  opacity: 0.8;
}

/* ========================================
   响应式设计
   ======================================== */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: static;
  }
  
  .banner-slider {
    height: 400px;
  }
  
  .banner-content h2 {
    font-size: 2.25rem;
  }
}

@media (max-width: 768px) {
  .header-top .container {
    justify-content: center;
  }
  
  .header-main .container {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .logo-area {
  display: flex;
  align-items: center;
  gap: 12px;
}
  
  .logo-text {
    text-align: center;
  }
  
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
  }
  
  .nav-menu.active {
    display: flex;
  }
  
  .nav-item {
    width: 100%;
  }
  
  .nav-link {
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
  }
  
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    background: var(--bg-gray);
    margin-top: var(--spacing-sm);
    border-radius: var(--radius-sm);
  }
  
  .dropdown a {
    padding: var(--spacing-sm) var(--spacing-lg);
  }
  
  .menu-toggle {
    display: flex;
    position: absolute;
    right: var(--spacing-lg);
    top: 50%;
    transform: translateY(-50%);
  }
  
  .header-main {
    position: relative;
  }
  
  .banner-slider {
    height: 350px;
  }
  
  .banner-content h2 {
    font-size: 1.75rem;
  }
  
  .banner-content p {
    font-size: 1rem;
  }
  
  .banner-arrow {
    width: 40px;
    height: 40px;
  }
  
  .section {
    padding: var(--spacing-2xl) 0;
  }
  
  .section-title h2 {
    font-size: 1.5rem;
  }
  
  .news-grid {
    grid-template-columns: 1fr;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }
  
  .stat-number {
    font-size: 2.5rem;
  }
  
  .main-article {
    padding: var(--spacing-lg);
  }
  
  .article-header h2 {
    font-size: 1.375rem;
  }
  
  .footer-main {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .footer-section h3 {
    margin-top: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }
  
  .logo-icon {
  height: 50px;
  width: auto;
  border-radius: 0;
  overflow: visible;
  box-shadow: none;
  display: flex;
  align-items: center;
}

.logo-icon img {
  height: 100%;
  width: auto;
  max-width: none;
}
  
  .logo-text h1 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--primary);
}
  
  .banner-slider {
    height: 300px;
  }
  
  .banner-content h2 {
    font-size: 1.5rem;
  }
  
  .banner-btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    font-size: 0.875rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .image-grid {
    grid-template-columns: 1fr;
  }
  
  .card-list {
    grid-template-columns: 1fr;
  }
}

/* ========================================
   动画效果
   ======================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

/* ========================================
   辅助类
   ======================================== */
.text-center {
  text-align: center;
}

.text-primary {
  color: var(--primary);
}

.text-accent {
  color: var(--accent);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
/* 新闻列表项样式 */
.news-list-item {
  padding: 16px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
}

.news-list-item:last-child {
  border-bottom: none;
}

.news-list-item:hover {
  background: var(--bg-light);
  padding-left: 20px;
}

.news-list-item strong {
  color: var(--text-light);
  font-weight: normal;
  min-width: 100px;
}

.news-list-item a {
  flex: 1;
  color: var(--text-body);
  font-weight: 500;
}

.news-list-item a:hover {
  color: var(--primary);
}

.article-header .meta {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 8px;
}
/* ========================================
   双创资讯 Tab 切换样式
   ======================================== */

/* Tab切换容器 */
.info-tabs {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 30px;
}

.info-tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 28px;
  background: var(--bg-white);
  border: 2px solid var(--primary);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
  font-weight: 600;
  color: var(--primary);
}

.info-tab:hover {
  background: var(--primary);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.info-tab.active {
  background: var(--primary);
  color: var(--text-white);
  box-shadow: var(--shadow-md);
}

.info-tab .tab-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: currentColor;
  color: var(--primary);
  background: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
  font-size: 14px;
  font-weight: bold;
}

.info-tab:hover .tab-icon,
.info-tab.active .tab-icon {
  background: rgba(255, 255, 255, 0.2);
  color: var(--text-white);
}

/* 资讯内容区 */
.info-content {
  background: var(--bg-white);
  border-radius: 16px;
  padding: 24px;
  box-shadow: var(--shadow-md);
}

.info-content.hidden {
  display: none;
}

/* 资讯列表 */
.info-list {
  display: flex;
  flex-direction: column;
}

.info-item {
  display: flex;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px dashed var(--border-light);
  gap: 16px;
  transition: var(--transition);
}

.info-item:last-child {
  border-bottom: none;
}

.info-item:hover {
  background: linear-gradient(90deg, rgba(37, 99, 235, 0.05) 0%, transparent 100%);
  padding-left: 12px;
  border-radius: 8px;
}

.info-date {
  min-width: 60px;
  padding: 6px 12px;
  background: var(--bg-gray);
  border-radius: 8px;
  text-align: center;
  font-size: 14px;
  color: var(--text-light);
  font-weight: 500;
}

.info-title {
  flex: 1;
  color: var(--text-body);
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition);
}

.info-title:hover {
  color: var(--primary);
}

.info-tag {
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  background: var(--primary);
  color: var(--text-white);
}

.info-tag.hot {
  background: var(--accent);
}

.info-tag.success {
  background: var(--success);
}

/* 更多链接 */
.more-link {
  display: inline-block;
  margin-top: 20px;
  padding: 10px 24px;
  background: var(--gradient-primary);
  color: var(--text-white);
  border-radius: 25px;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.more-link:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--primary);
}

/* 响应式 */
@media (max-width: 768px) {
  .info-tabs {
    gap: 10px;
  }
  
  .info-tab {
    padding: 10px 16px;
    font-size: 14px;
  }
  
  .info-tab .tab-icon {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }
  
  .info-item {
    flex-wrap: wrap;
    gap: 10px;
  }
  
  .info-title {
    width: 100%;
    order: 3;
  }
}

/* ========================================
   简洁列表样式
   ======================================== */

.simple-list {
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
}

.list-item {
  display: flex;
  gap: 24px;
  padding: 24px 20px;
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition);
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:hover {
  background: var(--bg-light);
}

.list-date {
  flex-shrink: 0;
  width: 100px;
  padding: 8px 12px;
  background: var(--bg-gray);
  border-radius: 8px;
  text-align: center;
  font-size: 14px;
  color: var(--text-light);
  height: fit-content;
}

.list-body h3 {
  margin: 0 0 8px 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text-dark);
}

.list-body h3 a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.list-body h3 a:hover {
  color: var(--primary);
}

.list-body p {
  margin: 0;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* 响应式 */
@media (max-width: 768px) {
  .list-item {
    flex-direction: column;
    gap: 12px;
  }
  
  .list-date {
    width: fit-content;
  }
  
  .list-body h3 {
    font-size: 16px;
  }
}

/* ========================================
   成果展示样式
   ======================================== */

.achievement-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
}

.achievement-card {
  background: var(--bg-white);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.achievement-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.achievement-card.achievement-large {
  grid-column: 1;
  grid-row: 1 / 3;
}

.achievement-card.achievement-large .achievement-image {
  height: 280px;
}

.achievement-card.achievement-large .achievement-content h3 {
  font-size: 22px;
}

.achievement-image {
  position: relative;
  height: 160px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  overflow: hidden;
}

.achievement-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.achievement-card:hover .achievement-image img {
  transform: scale(1.05);
}

.achievement-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
}

.achievement-tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--accent);
  color: var(--text-white);
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.achievement-content {
  padding: 20px;
}

.achievement-content h3 {
  margin: 0 0 8px 0;
  font-size: 18px;
  color: var(--text-dark);
}

.achievement-content p {
  margin: 0 0 12px 0;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.5;
}

.achievement-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-light);
}

.achievement-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}

.achievement-meta i {
  font-style: normal;
}

/* 图片加载失败占位符 */
.img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
  color: rgba(255, 255, 255, 0.8);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
}

/* 响应式 */
@media (max-width: 1024px) {
  .achievement-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .achievement-card.achievement-large {
    grid-column: 1 / -1;
    grid-row: auto;
  }
  
  .achievement-card.achievement-large .achievement-image {
    height: 200px;
  }
}

@media (max-width: 640px) {
  .achievement-grid {
    grid-template-columns: 1fr;
  }
  
  .achievement-card.achievement-large .achievement-image {
    height: 180px;
  }
}

/* 成果展示时间样式 */
.achievement-time {
  display: inline-block;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-light);
  padding: 4px 10px;
  background: var(--bg-gray);
  border-radius: 4px;
}

/* 简化成果卡片内容 */
.achievement-content h3 {
  margin: 0 0 8px 0;
  font-size: 18px;
  color: var(--text-dark);
  transition: var(--transition);
}

.achievement-card:hover .achievement-content h3 {
  color: var(--primary);
}

.achievement-content p {
  margin: 0;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.6;
}

/* 成果卡片链接样式 */
.achievement-card {
  text-decoration: none;
  color: inherit;
  display: block;
}



.intro-image-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.intro-image-card {
  position: relative;
  height: 200px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
}

.intro-image-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.intro-image-card:hover img {
  transform: scale(1.1);
}

.img-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 20px;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  color: white;
  font-size: 16px;
  font-weight: 500;
  transition: var(--transition);
}

.intro-image-card:hover .img-overlay {
  padding-bottom: 30px;
  background: linear-gradient(transparent, rgba(37, 99, 235, 0.9));
}

/* 响应式 */
@media (max-width: 1024px) {
  .intro-image-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .intro-image-grid {
    grid-template-columns: 1fr;
  }
  
  .intro-image-card {
    height: 180px;
  }
}